Choose the sentence that has no errors.

although, "amazing grace" was written in the 1700s, it remains a well-loved song today.
although 'amazing grace' was written in the 1700s, it remains a well-loved song today.
although amazing grace was written in the 1700s, it remains a well-loved song today.
although "amazing grace" was written in the 1700s, it remains a well-loved song today.

Critical thinking questions what factors led to the creation and implementation of operation reinhard? how did the residents of the ghettos respond to mass deportations and what occurred when the residents realized what happened to those deported? what did rudolf hoess’s testimony at the end of the war suggest about the final solution and planned deportation and resettlement? how did operation reinhard differ from earlier nazi actions and how was it similar? was resettlement seriously considered and why was it not used?

What else do you think experts can learn from studying the language of written work? what do you think is the value of studying the language of william shakespeare whose writing is over hundreds of years old?

What is a mechanism by which organisms maintain homeostasis when the level of one substance influences the level of another substance or the activity of an organ.